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block: Add invalidate_disk() helper to invalidate the gendisk
authorXie Yongji <xieyongji@bytedance.com>
Wed, 22 Sep 2021 12:37:08 +0000 (20:37 +0800)
committerJens Axboe <axboe@kernel.dk>
Thu, 21 Oct 2021 16:12:41 +0000 (10:12 -0600)
commit66398b5de0e65ce3a62d02c615112d5d1a4d75ce
treec009d3e5c96d7848902627704c613bb324156dd4tree | snapshot
parent1697ef40111951e8ce4ea153070dfcbb42626751commit | diff
block: Add invalidate_disk() helper to invalidate the gendisk

To hide internal implementation and simplify some driver code,
this adds a helper to invalidate the gendisk. It will clean the
gendisk's associated buffer/page caches and reset its internal
states.

Signed-off-by: Xie Yongji <xieyongji@bytedance.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20210922123711.187-2-xieyongji@bytedance.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
block/genhd.c diff | blob | history
include/linux/genhd.h diff | blob | history
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